Runco VX-6000d Owner's Operating Manual page 89

Table 5-1. Troubleshooting Chart (continued)
Symptom
Image geometry is incorrect.
The projected image is
trapezoidal in shape.
The projector will not turn
back on after it was powered
down, or the image
disappears during operation.
Runco VX-6000d Owner's Operating Manual
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Possible Cause(s)
• Incorrect aspect ratio
selection.
• The projector is not
perpendicular to the
screen.
• The projector will not turn
on for two minutes after
power-down, to protect
the lamp.
• The lamp has failed or
reached its usage limit of
2000 hours.
Solution
• Select the aspect ratio that
best matches the source
image and screen size
(refer to Table 4-1).
• Adjust the projection angle
or apply keystone
correction (refer to
Display Device on
page 62).
• Wait two minutes until the
LED at the front of the
DHD Controller turns red.
• Replace the lamp.
77
Maintenance and Troubleshooting